To be constantly without desire is the way to have a vision of the mystery of heaven and earth. For constantly to have desire is the means by which their limitations are seen.
I hold my peace, sir? no; No, I will speak as liberal as the north; Let heaven and men and devils, let them all, All, all, cry shame against me, yet I'll speak.
What Heaven has conferred is called The Nature; an accordance with this nature is called The Path of duty; the regulation of this path is called Instruction. The path may not be left for an instant. If it could be left, it would not be the path.
Hence the saying: If you know the enemy and you know yourself, your victory will not stand in doubt; if you now Heaven and you know Earth, you may make your victory complete.
Thus can the demigod Authority Make us pay down for our offense by weight The words of heaven; on whom it will, it will, On whom it will not, so: yet still 'tis just.